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UCD4043B - CMOS QUAD 3-STATE NOR R/S LATCHES

General Description

UTC UCD4043B types are quad cross-coupled 3-state CMOS NOR latches.

Each latch has a separate Q output and individual SET and RESET inputs.

The Q outputs are controlled by a common ENABLE input.

Key Features

  • S.
  • 3-state outputs with common output ENABLE.
  • Separate SET and RESET inputs for each latch.
  • NOR configurations.
  • 5V, 10Vr and 15V parametric ratings.
  • Standardized symmetrical output characteristics.
  • Maximum input current of 1uA at 18V over full package temperature range; 100nA at 18V and 25°C.

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UNISONIC TECHNOLOGIES CO., LTD UCD4043B Preliminary CMOS QUAD 3-STATE NOR R/S LATCHES  DESCRIPTION UTC UCD4043B types are quad cross-coupled 3-state CMOS NOR latches. Each latch has a separate Q output and individual SET and RESET inputs. The Q outputs are controlled by a common ENABLE input. A logic high on the ENABLE input connects the latch states to the Q outputs. A logic low on the ENABLE input disconnects the latch states from the Q outputs, resulting in an open circuit condition on the Q outputs. The open circuit feature allows common bussing of the outputs.